<template>
    <div class="screen-container" :style="containerStyle">
        <header class="screen-header">
            <div>
                <img :src="headerSrc" alt="" />
            </div>
            <span class="title">电商平台实时监控系统</span>
            <div class="title-right">
                <img
                    :src="themeSrc"
                    class="qiehuan"
                    @click="handleChangeTheme"
                />
                <span class="datetime">{{ time }}</span>
            </div>
        </header>
        <div class="screen-body">
            <section class="screen-left">
                <div
                    id="left-top"
                    :class="[fullScreenStatus.trend ? 'fullscreen' : '']"
                >
                    <!-- 销量趋势图表 -->
                    <Trend ref="trend"></Trend>
                    <div class="resize">
                        <!-- icon-compress-alt -->
                        <span
                            @click="changeSize('trend')"
                            :class="[
                                'iconfont',
                                fullScreenStatus.trend
                                    ? 'icon-compress-alt'
                                    : 'icon-expand-alt',
                            ]"
                        ></span>
                    </div>
                </div>
                <div
                    id="left-bottom"
                    :class="[fullScreenStatus.seller ? 'fullscreen' : '']"
                >
                    <!-- 商家销售金额图表 -->
                    <Seller ref="seller"></Seller>
                    <div class="resize">
                        <!-- icon-compress-alt -->
                        <span
                            @click="changeSize('seller')"
                            :class="[
                                'iconfont',
                                fullScreenStatus.seller
                                    ? 'icon-compress-alt'
                                    : 'icon-expand-alt',
                            ]"
                        ></span>
                    </div>
                </div>
            </section>
            <section class="screen-middle">
                <div
                    id="middle-top"
                    :class="[fullScreenStatus.map ? 'fullscreen' : '']"
                >
                    <!-- 商家分布图表 -->
                    <Map ref="map"></Map>
                    <div class="resize">
                        <!-- icon-compress-alt -->
                        <span
                            @click="changeSize('map')"
                            :class="[
                                'iconfont',
                                fullScreenStatus.map
                                    ? 'icon-compress-alt'
                                    : 'icon-expand-alt',
                            ]"
                        ></span>
                    </div>
                </div>
                <div
                    id="middle-bottom"
                    :class="[fullScreenStatus.rank ? 'fullscreen' : '']"
                >
                    <!-- 地区销量排行图表 -->
                    <Rank ref="rank"></Rank>
                    <div class="resize">
                        <!-- icon-compress-alt -->
                        <span
                            @click="changeSize('rank')"
                            :class="[
                                'iconfont',
                                fullScreenStatus.rank
                                    ? 'icon-compress-alt'
                                    : 'icon-expand-alt',
                            ]"
                        ></span>
                    </div>
                </div>
            </section>
            <section class="screen-right">
                <div
                    id="right-top"
                    :class="[fullScreenStatus.hot ? 'fullscreen' : '']"
                >
                    <!-- 热销商品占比图表 -->
                    <Hot ref="hot"></Hot>
                    <div class="resize">
                        <!-- icon-compress-alt -->
                        <span
                            @click="changeSize('hot')"
                            :class="[
                                'iconfont',
                                fullScreenStatus.hot
                                    ? 'icon-compress-alt'
                                    : 'icon-expand-alt',
                            ]"
                        ></span>
                    </div>
                </div>
                <div
                    id="right-bottom"
                    :class="[fullScreenStatus.stock ? 'fullscreen' : '']"
                >
                    <!-- 库存销量分析图表 -->
                    <Stock ref="stock"></Stock>
                    <div class="resize">
                        <!-- icon-compress-alt -->
                        <span
                            @click="changeSize('stock')"
                            :class="[
                                'iconfont',
                                fullScreenStatus.stock
                                    ? 'icon-compress-alt'
                                    : 'icon-expand-alt',
                            ]"
                        ></span>
                    </div>
                </div>
            </section>
        </div>
    </div>
</template>

<script>
import Hot from '@/components/Hot.vue'
import Map from '@/components/Map.vue'
import Rank from '@/components/Rank.vue'
import Seller from '@/components/Seller.vue'
import Stock from '@/components/Stock.vue'
import Trend from '@/components/Trend.vue'
import { gettime } from '@/utils/time_utils.js'
import { getThemeValue } from '@/utils/theme_utils'
export default {
    computed: {
        logoSrc() {
            return '/static/img/' + getThemeValue(this.theme).logoSrc
        },
        headerSrc() {
            return '/static/img/' + getThemeValue(this.theme).headerBorderSrc
        },
        themeSrc() {
            return '/static/img/' + getThemeValue(this.theme).themeSrc
        },
        containerStyle() {
            return {
                backgroundColor: getThemeValue(this.theme).backgroundColor,
                color: getThemeValue(this.theme).titleColor,
            }
        },
        theme() {
            return this.$store.state.theme
        },
    },
    created() {
        console.log('sadasdsa')
        this.startInterval()
    },
    destroyed() {
        clearInterval(this.timeId)
    },
    data() {
        return {
            // 定义每一个图表的全屏状态
            fullScreenStatus: {
                trend: false,
                seller: false,
                map: false,
                rank: false,
                hot: false,
                stock: false,
            },
            time: '',
            timeId: null,
        }
    },
    methods: {
        changeSize(chartName) {
            // 1.改变fullScreenStatus的数据
            this.fullScreenStatus[chartName] = !this.fullScreenStatus[chartName]
            // 2.需要调用每一个图表组件的screenAdapter的方法
            console.log(chartName)
            this.$refs[chartName].screenAdapter()
            this.$nextTick(() => {
                this.$refs[chartName].screenAdapter()
            })
        },
        handleChangeTheme() {
            // 修改VueX中数据
            this.$store.commit('changeTheme')
        },
        startInterval() {
            this.timeId = setInterval(() => {
                this.time = gettime()
            }, 1000)
        },
    },
    // 组件的注册
    components: {
        Hot,
        Map,
        Rank,
        Seller,
        Stock,
        Trend,
    },
}
</script>
<style lang="less" scoped>
// 全屏样式的定义
.fullscreen {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    z-index: 100;
}

.screen-container {
    width: 100%;
    height: 100%;
    background-color: #161522;
    color: #fff;
    box-sizing: border-box;
}
.screen-header {
    width: 100%;
    height: 44px;
    font-size: 20px;
    position: relative;
    > div {
        img {
            width: 100%;
        }
    }
    .title {
        position: absolute;
        left: 50%;
        top: 50%;
        font-size: 20px;
        transform: translate(-50%, -50%);
    }
    .title-right {
        display: flex;
        align-items: center;
        position: absolute;
        right: 5px;
        top: 50%;
        transform: translateY(-50%);
    }
    .qiehuan {
        width: 28px;
        height: 21px;
        cursor: pointer;
    }
    .datetime {
        font-size: 16px;
        margin-left: 10px;
    }
    .logo {
        position: absolute;
        left: 0px;
        top: 50%;
        transform: translateY(-80%);
        img {
            height: 35px;
            width: 128px;
        }
    }
}
.screen-body {
    width: calc(100% - 16px);
    height: calc(100% - 60px);
    display: flex;
    padding: 8px;
    overflow: hidden;

    .screen-left {
        height: 100%;
        width: 27.6%;
        #left-top {
            height: 56%;
            position: relative;
            overflow: hidden;
            border-radius: 2px;
        }
        #left-bottom {
            height: 42%;
            margin-top: 10px;
            position: relative;
            overflow: hidden;
            border-radius: 2px;
        }
    }
    .screen-middle {
        height: 100%;
        width: 41.5%;
        margin-left: 1.6%;
        margin-right: 1.6%;
        #middle-top {
            width: 100%;
            height: 66%;
            position: relative;
            overflow: hidden;
            border-radius: 2px;
        }
        #middle-bottom {
            margin-top: 10px;
            width: 100%;
            height: 32%;
            position: relative;
            overflow: hidden;
            border-radius: 2px;
        }
    }
    .screen-right {
        height: 100%;
        width: 27.6%;
        #right-top {
            height: 56%;
            position: relative;
            overflow: hidden;
            border-radius: 2px;
        }
        #right-bottom {
            height: 42%;
            margin-top: 10px;
            position: relative;
            overflow: hidden;
            border-radius: 2px;
        }
    }
}
.resize {
    position: absolute;
    right: 20px;
    top: 20px;
    cursor: pointer;
}
</style>
